TP37 datasheet(28/230 Pages) SIEMENS

28 / 230 page

3-4

TP27, TP37 Equipment Manual

Release 01/00

3.1

Operating Touch Elements

Touch elements are contact–sensitive operating elements on the screen of the

Touch Panel, such as buttons, input fields, message windows and help win-

dows. Their operation is basically no different from pressing conventional

keys. Touch elements are operated by lightly touching them with your finger or

a pointer.

Note

S Never use pointed or sharp instruments to operate the Touch Panel to pre-

vent damage to the plastic surface of the touch screen.

S Touch only one point of the Touch Panel screen at a time. Do not touch

several touch elements simultaneously. If you do, an unintended action

may be initiated.

A function assigned to a button is normally triggered when the button is

touched. With some functions, it is possible to define the configuration so that

the function is not triggered until the button is released or its outlines remain

while being touched, e.g. the “Set Bit” function or the keypad in the input

window for numerical values. If the button has a repeater, keep touching the

button as long as the function in question is to be to repeated.

Not more than one touch element is activated per touch. Where an operating

function has still not been completed, e.g. entering a value, any successive at-

tempt to trigger a similar function is refused and a system message to this ef-

fect issued. Similar functions in this respect are Enter Setpoint and Edit Data

Record, for example.

When the Touch Panel detects contact on a valid touch element, it responds

with a visual or acoustic acknowledgement. An acknowledgment is indepen-

dent of communication with the PLC. It is not an indication of the required

action actually having been executed.

An acoustic signal is issued as long as the touch element is touched. The signal

tone can be enabled and disabled by means of the System Settings standard

screen (TP37) and the volume adjusted (TP27), see chapter 11.

Definition

Triggering

functions

Operation

acknowledgement

Acoustic

acknowledgment

General Operation

TP37 Datasheet(PDF) 28 Page - Siemens Semiconductor Group

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